Because there are two ways to apply for an ID card:
1, the first thing is to speed up the processing. It only takes 4-5 days to get it from the police station, because the accelerated processing is EMS express delivery. But the charge is more expensive.
2. The second is general processing. It takes 7- 10 days to send the ID card to the police station by ordinary mail. This kind of charge is cheaper. If you apply for an ID card in a different place, it will take longer.